Break COW PTE if we want to replace the page which resides in COW-ed PTE. Signed-off-by: Chih-En Lin <shiyn.lin@xxxxxxxxx> --- kernel/events/uprobes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index d9e357b7e17c9..2956a53da01a1 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -157,7 +157,7 @@ static int __replace_page(struct vm_area_struct *vma, unsigned long addr, struct folio *old_folio = page_folio(old_page); struct folio *new_folio; struct mm_struct *mm = vma->vm_mm; - DEFINE_FOLIO_VMA_WALK(pvmw, old_folio, vma, addr, 0); + DEFINE_FOLIO_VMA_WALK(pvmw, old_folio, vma, addr, PVMW_BREAK_COW_PTE); int err; struct mmu_notifier_range range; -- 2.37.3
